312003220012210 has 16 divisors (see below), whose sum is σ = 562552854710616. Its totient is φ = 124590830518528.

The previous prime is 312003220012189. The next prime is 312003220012217. The reversal of 312003220012210 is 12210022300213.

It can be written as a sum of positive squares in 4 ways, for example, as 301828529943369 + 10174690068841 = 17373213^2 + 3189779^2 .

It is not an unprimeable number, because it can be changed into a prime (312003220012217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26307179569 + ... + 26307191428.

Almost surely, 2^{312003220012210} is an apocalyptic number.

312003220012210 is a deficient number, since it is larger than the sum of its proper divisors (250549634698406).

312003220012210 is a wasteful number, since it uses less digits than its factorization.

312003220012210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52614371597.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 312003220012210 its reverse (12210022300213), we get a palindrome (324213242312423).

The spelling of 312003220012210 in words is "three hundred twelve trillion, three billion, two hundred twenty million, twelve thousand, two hundred ten".